2014-08-07 Sharath Kamath <s.kamath@samsung.com> …
Update waitForEvents to support Async calls with UserEvents.
Fixed #538
Reviewed by Antonio.
As per specification, waitForEvents() must take UserEvents when a callback is provided.
conformance/bindingTesting/eventsAndCallbacks/cl_webcl_waitForEvents.html
* Modules/webcl/WebCL.cpp:
(WebCore::validateWebCLEventList):
(WebCore::WebCL::waitForEvents):